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Table representation of search results timeline featuring number of search results per year.
| Year | Number of Results |
|---|---|
| 1947 | 1 |
| 1949 | 2 |
| 1956 | 1 |
| 1960 | 1 |
| 1961 | 2 |
| 1962 | 1 |
| 1964 | 1 |
| 1965 | 4 |
| 1966 | 6 |
| 1967 | 9 |
| 1968 | 5 |
| 1969 | 1 |
| 1970 | 2 |
| 1971 | 2 |
| 1972 | 5 |
| 1973 | 6 |
| 1974 | 125 |
| 1975 | 210 |
| 1976 | 168 |
| 1977 | 208 |
| 1978 | 212 |
| 1979 | 232 |
| 1980 | 292 |
| 1981 | 278 |
| 1982 | 293 |
| 1983 | 286 |
| 1984 | 363 |
| 1985 | 347 |
| 1986 | 356 |
| 1987 | 353 |
| 1988 | 451 |
| 1989 | 1167 |
| 1990 | 2410 |
| 1991 | 2619 |
| 1992 | 2956 |
| 1993 | 2776 |
| 1994 | 2926 |
| 1995 | 2899 |
| 1996 | 2973 |
| 1997 | 3329 |
| 1998 | 3472 |
| 1999 | 4102 |
| 2000 | 4443 |
| 2001 | 5230 |
| 2002 | 5488 |
| 2003 | 6369 |
| 2004 | 7167 |
| 2005 | 7576 |
| 2006 | 8373 |
| 2007 | 9435 |
| 2008 | 10188 |
| 2009 | 10947 |
| 2010 | 11746 |
| 2011 | 13030 |
| 2012 | 14926 |
| 2013 | 15966 |
| 2014 | 16131 |
| 2015 | 17352 |
| 2016 | 17115 |
| 2017 | 17199 |
| 2018 | 18470 |
| 2019 | 19901 |
| 2020 | 26939 |
| 2021 | 27572 |
| 2022 | 21347 |
| 2023 | 16694 |
| 2024 | 26842 |
| 2025 | 18202 |